On board RAF plane spying on LibyaJump to media playerThe RAF is flying reconnaissance missions over Libya with its Sentinel R1 spy plane, a modified business jet which uses radar to create accurate real-time images of what is happening on the ground. Opposition forces are still locked in battle with those loyal to President Gaddafi. But without troops on the ground, how is Nato able to choose its targets, and make sure United Nations resolution 1973 is kept?